Scientists have been warning about the catastrophes that could be caused by climate change for several decades, governmental leaders have done relatively little to address the problem. Many governmental leaders fear that reigning in the industries and lifestyles responsible for warming the planet's atmosphere would severely impact the economies of their nations, leading to job loss, poverty and other ills. In the face of this inaction, Thunberg's activism to combat global warming has ignited a spark-particularly among teens and other young people.

The climate crisis comes to Stockholm -- Student strike for the climate -- Standing up to the climate change deniers -- The Greta effect.